1. Organ and Tissue Donation and Transplantation, NHS Blood and Transplant, London, United Kingdom.
2. Organización Nacional de Trasplantes, Madrid, Spain.
3. Dalhousie University, Halifax, NS, Canada.
4. New England Donor Services, Waltham, MA.
5. Health Department of the Distrito Federal Government, State transplant organization, Brasilia, Brazil.
6. Canadian Donation and Transplantation Research Program, Edmonton, AB, Canada.
7. Transplant Québec, Montréal, QC, Canada.
8. Division of Critical Care, Department of Pediatrics, Centre Mère-Enfant Soleil du CHU de Québec, Québec, QC, Canada.